Zweifel-Roleff Studio photograph collection for DM&IR and Oliver Iron Mining, S3744, Northeast Minnesota Historical Collections, Archives and Special Collections, Martin Library, University of Minnesota Duluth.
Cite Item Description
Zweifel-Roleff Studio photograph collection for DM&IR and Oliver Iron Mining, S3744, Northeast Minnesota Historical Collections, Archives and Special Collections, Martin Library, University of Minnesota Duluth. https://archives.lib.umn.edu/repositories/22/resources/9065 Accessed June 01, 2023.
